Tzeng; Guan Hua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tzeng; Guan Hua.The latest application filed is for "loudspeaker".
- Tzeng; Guan Hua - Hsinchu TW
- Tzeng; Guan-Hua - New Taipei N/A TW
- Tzeng; Guan-Hua - Taipei TW
- Tzeng; Guan-Hua - Tu-Cheng TW
| Patent | Date |
|---|---|
| Keyboard Grant D901,503 - Lee , et al. November 10, 2 | 2020-11-10 |
| Keyboard switch Grant D875,738 - Jin , et al. Feb | 2020-02-18 |
| Pair of earphones Grant D875,069 - Peralta , et al. Feb | 2020-02-11 |
| Headset Grant D865,708 - Lee , et al. No | 2019-11-05 |
| Audio control device Grant D851,071 - Chou , et al. | 2019-06-11 |
| Headset Grant D840,373 - Lee , et al. Feb | 2019-02-12 |
| Mouse Grant D830,361 - Jin , et al. October 9, 2 | 2018-10-09 |
| Keycap Puller Grant D821,839 - Tzeng , et al. July 3, 2 | 2018-07-03 |
| Pair of earphones Grant D818,990 - Tzeng , et al. May 29, 2 | 2018-05-29 |
| Headset Grant D815,614 - Tzeng , et al. April 17, 2 | 2018-04-17 |
| Audio control device Grant D811,371 - Meyer , et al. February 27, 2 | 2018-02-27 |
| Keyboard Grant D811,397 - Tzeng , et al. February 27, 2 | 2018-02-27 |
| Keyboard Grant D811,396 - Tzeng , et al. February 27, 2 | 2018-02-27 |
| Earphone tip Grant D810,047 - Tzeng , et al. February 13, 2 | 2018-02-13 |
| Keyboard Grant D810,082 - Tzeng , et al. February 13, 2 | 2018-02-13 |
| Headset Grant D808,359 - Meyer , et al. January 23, 2 | 2018-01-23 |
| Data accessing device Grant D798,308 - Tzeng , et al. September 26, 2 | 2017-09-26 |
| Audio control device Grant D794,609 - Meyer , et al. August 15, 2 | 2017-08-15 |
| Network interface device Grant D791,749 - Tzeng , et al. July 11, 2 | 2017-07-11 |
| Data accessing device Grant D774,038 - Emami , et al. December 13, 2 | 2016-12-13 |
| Loudspeaker Grant 8,666,107 - Tzeng March 4, 2 | 2014-03-04 |
| Loudspeaker App 20130272562 - Tzeng; Guan-Hua | 2013-10-17 |
| Multi-media player Grant D680,536 - Tzeng April 23, 2 | 2013-04-23 |
| NFC device Grant D680,535 - Tzeng April 23, 2 | 2013-04-23 |
| Multi-media player Grant D680,534 - Tzeng April 23, 2 | 2013-04-23 |
| GPS navigation Grant D674,714 - Tzeng January 22, 2 | 2013-01-22 |
| Speaker Grant D672,334 - Tzeng December 11, 2 | 2012-12-11 |
| Speaker Grant D670,271 - Tzeng November 6, 2 | 2012-11-06 |
| Micro projector Grant D665,442 - Tzeng August 14, 2 | 2012-08-14 |
| Webcam Grant D664,579 - Tzeng July 31, 2 | 2012-07-31 |
| Protective Case App 20120140393 - Lan; Shun-Chien ; et al. | 2012-06-07 |
| Bluetooth headset Grant D659,683 - Tzeng May 15, 2 | 2012-05-15 |
| Heartbeat ring Grant D656,615 - Tzeng March 27, 2 | 2012-03-27 |
| Micro projector Grant D648,769 - Tzeng November 15, 2 | 2011-11-15 |
| Mobile phone Grant D645,437 - Tzeng September 20, 2 | 2011-09-20 |
| Ebook reading device Grant D645,038 - Tzeng September 13, 2 | 2011-09-13 |
| Sleeve for tablet PC Grant D643,843 - Hsieh , et al. August 23, 2 | 2011-08-23 |
| Portable GPS navigation Grant D643,753 - Tsai , et al. August 23, 2 | 2011-08-23 |
| Sleeve for tablet PC Grant D643,433 - Hsieh , et al. August 16, 2 | 2011-08-16 |
| Sleeve for tablet PC Grant D641,756 - Hsieh , et al. July 19, 2 | 2011-07-19 |
| Wireless mouse Grant D638,839 - Tzeng May 31, 2 | 2011-05-31 |
| Wireless mouse Grant D638,837 - Tzeng May 31, 2 | 2011-05-31 |
| Bluetooth speaker Grant D636,758 - Tzeng April 26, 2 | 2011-04-26 |
| Wireless mouse Grant D633,911 - Tzeng March 8, 2 | 2011-03-08 |
| Mobile phone Grant D633,070 - Tzeng February 22, 2 | 2011-02-22 |
| Webcam Grant D632,718 - Tzeng February 15, 2 | 2011-02-15 |
| Webcam Grant D631,079 - Tzeng January 18, 2 | 2011-01-18 |
| Wireless webcam Grant D628,222 - Tzeng , et al. November 30, 2 | 2010-11-30 |
| Wireless webcam Grant D627,814 - Tzeng , et al. November 23, 2 | 2010-11-23 |
| Webcam Grant D626,580 - Tzeng November 2, 2 | 2010-11-02 |
| Bluetooth headset Grant D622,706 - Tzeng , et al. August 31, 2 | 2010-08-31 |
| Bluetooth headset Grant D622,266 - Tzeng , et al. August 24, 2 | 2010-08-24 |
| Mobile phone Grant D617,299 - Tzeng , et al. June 8, 2 | 2010-06-08 |
| Mobile phone Grant D617,300 - Tzeng , et al. June 8, 2 | 2010-06-08 |
| Digital photo frame Grant D613,510 - Tzeng , et al. April 13, 2 | 2010-04-13 |
| Digital photo frame Grant D609,018 - Tzeng , et al. February 2, 2 | 2010-02-02 |
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